Par III® – The trusted champion of turf management.
The go-to broad-spectrum herbicide for Canadian lawns, golf courses, parks, and sports fields. Specially formulated with three powerful active ingredients (2,4-D, Mecoprop-P, and Dicamba), Par III tackles even the toughest, hard-to-kill broadleaf weeds—like dandelions, clover, ground ivy (Creeping Charlie), plantain, poison ivy, and more—while leaving your grass strong and healthy.
Just two applications per season under good management keep your turf weed-free and looking pristine. No soil residual, easy mixing, and proven reliability from Loveland Products—the name pros count on for clean, durable turf.
Built for Broadleaf Weed Control in Lawns
PAR III is made for property owners who want to control broadleaf weeds without clearing the whole lawn. Use it for maintained grass areas where weeds are spoiling the look, health, or finish of the turf.
It is a strong fit for lawns, acreages, parks, sports fields, turf areas, and property maintenance jobs where broadleaf weeds keep coming back.
Professional-Grade Herbicides
Our formulas are trusted by professionals for controlling tough weeds like thistle, poison ivy, and dandelions.
Targets Stubborn & Noxious Weeds
Designed to eliminate deep-rooted broadleaf weeds and unwanted vegetation where typical consumer products fail.
Fast & Reliable Delivery
Orders ship quickly and typically arrive within 6–8 days, so you can start treating weeds sooner.
Targets Stubborn Lawn Weeds
From spring dandelions to creeping broadleaf weeds, PAR III helps tackle common lawn weed problems that make grass look patchy, tired, or neglected.
Effective against common problem weeds, including:
Is PAR III the Right Weed Killer for You?
Choose Roundup Transorb instead if you need total grass and weed control on gravel, driveways, paths, fence lines, or areas where you do not want vegetation to grow.